# MISO Dataset

---

##  Quick Guide to Files

| Data type (file)                  | Unit | Resolution | Period (EST)            | Zone dictionary          | Original source                                                                                                                                                       | 
|-----------------------------------|------|------------|-------------------------|--------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| **Load** `miso_load_hourly.csv`   | MW   | hourly     | 2021-02-10 → 2024-12-31 | [LOAD ZONES](#lz-load)   | https://www.eia.gov/electricity/wholesalemarkets/data.php?rto=miso                                                                                                    |
| **Solar** `miso_solar_hourly.csv` | MW   | hourly   | 2021-01-01 → 2024-12-31 | System-level Aggregated| https://www.eia.gov/opendata/browser/electricity/rto/fuel-type-data?frequency=hourly&data=value;&facets=fueltype;&fueltype=SUN;&sortColumn=period;&sortDirection=desc |
| **Wind** `miso_wind_hourly.csv`   | MW   | hourly    | 2021-01-01 → 2024-12-31 | System-level Aggregated   | https://www.eia.gov/opendata/browser/electricity/rto/fuel-type-data?frequency=hourly&data=value;&facets=fueltype;&fueltype=WND;&sortColumn=period;&sortDirection=desc |
| **LMP** `miso_lmp_5min.csv`       | $/MW | 5-minute  | 2021-01-01 → 2024-12-31 | [LMP ZONES](#lz-price)   | https://www.eia.gov/electricity/wholesalemarkets/data.php?rto=miso                                                                                                    |


---

## Zone Dictionaries  *(click to expand)*

<details id="lz-load">
<summary><strong>Load zones — Local Resource Zone (LRZ) </strong></summary>

| Zone code      | Long name / description  (https://cdn.misoenergy.org/PY%202025-2026%20LOLE%20Study%20Report685316.pdf?v=20250313114401)                                                                |
|----------------|--------------------------------------------------------------------------------------------|
| **LRZ 1**      | (States: MT, ND, SD, MN, WI, IL) Balancing Authorities: DPC, GRE, MDU, MP, NSP, OTP, SMP   |
| **LRZ 2,7**    | (States: WI, MI) Balancing Authorities: ALTE, MGE, UPPC, WEC, WPS, MIUP, CONS, DECO        |
| **LRZ 3,5**    | (States: MN, IA, KS, IL) Balancing Authorities: ALTW, MEC, MPW, AMMO, CWLD                 |
| **LRZ 4**      | (States: IL) Balancing Authorities: AMIL, CWLP, SIPC                                       |
| **LRZ 6**      | (States: IN) Balancing Authorities: BREC, CIN, HE, IPL, NIPSCO, SIGE                       |
| **LRZ 8,9,10** | States: MO, TX, MS, AL) Balancing Authorities: EAI, CLEC, EES, LAFA, LAGN, LEPA, EMBA, SME |

</details>

<details id="lz-price">
<summary><strong>LMP zones — Hub (Geographic Aggregations by State)</strong></summary>

| Zone code       | Long name / description (https://www.spglobal.com/commodityinsights/plattscontent/_assets/_files/en/our-methodology/methodology-specifications/m2ms_power_methodology.pdf) |
|-----------------|----------------------------|
| **Arkansas**    |           |
| **Illinois**    |           |
| **Indiana**     |              |
| **Louisiana**   |                |
| **Michigan**    |               |
| **Minnisota**   |               |
| **Mississippi** |               |
| **Texas**       | Represents the portions of eastern Texas still served by MISO (outside of ERCOT)              |
</details>

---


